The Anti-Fascist Action were backed by the German Communist Party.
The Iron Front were set up by SocDems as an anti-communist alternative to AntiFa.
Because as we all know, the only way to fight disease is to oppose medicine and promote a homeopathic snake oil instead.
I cannot think of any anarchist symbol with three arrows but I can think of the Chaos Star, sometimes also known as the Chaos Wheel, Chaos Arrows or Eight of Wands. It symbolises order, weirdly enough.